| 摘要 |
Device for manufacturing a three-dimensional object (1) by successive solidification of layers of a powdery building material (2) solidifyable by radiation, comprises a housing (5), a process chamber (6), a construction space, a carrying device, a coating device, a dosing device and an irradiation device. In the process chamber, at least one deflection device is arranged, which redirects the laterally injected protective gas stream such that the protective gas stream is led first downward and then against the injection direction back to a protective gas suction. Device for manufacturing a three-dimensional object (1) by successive solidification of layers of a powdery building material (2) solidifyable by radiation, comprises a housing (5), a process chamber (6) arranged in the housing, a construction space in the process chamber, a carrying device for carrying the object arranged in the construction space and with a vertically adjustable carrier, a coating device for applying layers of the building material on the carrying device, a dosing device for feeding the building material and an irradiation device for irradiating layers of the building material at the points corresponding to the respective cross-section of the object and a protective gas injection device, with which an inert gas stream is laterally injected into the process chamber. In the process chamber, at least one deflection device is arranged, which redirects the laterally injected protective gas stream such that the protective gas stream is led first downward and then against the injection direction back to a protective gas suction. |
